4687231 has 4 divisors (see below), whose sum is σ = 4838464. Its totient is φ = 4536000.

The previous prime is 4687229. The next prime is 4687247. The reversal of 4687231 is 1327864.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4687231 - 2¹ = 4687229 is a prime.

It is a super-2 number, since 2×4687231² = 43940268894722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 151201 = 4687231 / (4 + 6 + 8 + 7 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4687193 and 4687202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4687211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75570 + ... + 75631.

It is an arithmetic number, because the mean of its divisors is an integer number (1209616).

Almost surely, 2^4687231 is an apocalyptic number.

4687231 is a deficient number, since it is larger than the sum of its proper divisors (151233).

4687231 is a wasteful number, since it uses less digits than its factorization.

4687231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151232.

The product of its digits is 8064, while the sum is 31.

The square root of 4687231 is about 2165.0013856808. The cubic root of 4687231 is about 167.3550360822.

The spelling of 4687231 in words is "four million, six hundred eighty-seven thousand, two hundred thirty-one".